122043620 has 12 divisors (see below), whose sum is σ = 256291644. Its totient is φ = 48817440.

The previous prime is 122043617. The next prime is 122043637. The reversal of 122043620 is 26340221.

It can be written as a sum of positive squares in 2 ways, for example, as 91661476 + 30382144 = 9574^2 + 5512^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6102181 = 122043620 / (1 + 2 + 2 + 0 + 4 + 3 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 122043592 and 122043601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051071 + ... + 3051110.

It is an arithmetic number, because the mean of its divisors is an integer number (21357637).

Almost surely, 2^122043620 is an apocalyptic number.

122043620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122043620 is an abundant number, since it is smaller than the sum of its proper divisors (134248024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122043620 is a wasteful number, since it uses less digits than its factorization.

122043620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102190 (or 6102188 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122043620 is about 11047.3354253413. The cubic root of 122043620 is about 496.0266689181.

Adding to 122043620 its reverse (26340221), we get a palindrome (148383841).

The spelling of 122043620 in words is "one hundred twenty-two million, forty-three thousand, six hundred twenty".